str:Sterm_0258 K04083 molecular chaperone Hsp33 | (GenBank) Hsp33 protein str:Sterm_0259 no KO assigned | (GenBank) Sulfate transporter/antisigma-factor antagonist STAS str:Sterm_0260 K01921 D-alanine-D-alanine ligase [EC:6.3.2.4] | (GenBank) D-alanine/D-alanine ligase str:Sterm_0261 K07173 S-ribosylhomocysteine lyase [EC:4.4.1.21] | (GenBank) quorum-sensing autoinducer 2 (AI-2), LuxS